/**
 * Created by ChoviWu on 2018/04/19
 * Description:
 */
public class People {

    String name;

    public People(){
        System.out.println(name);
        System.out.println("1");
    }
    public People(String name){
        System.out.println(name);
        System.out.println("2");
        this.name = name;
    }


    public static void main(String[] args) {
        new Child("Milk"); //2  Milk 3 Milk 2
    }

}

class Child extends People{

    People father;

    public Child(){
        System.out.println("4");
    }

    public Child(String name){
        super();
        System.out.println(name);
        System.out.println("3");
        this.name = name;
        father = new People("Father" +name);
    }
}